Tier Details:
Demo: Predefined targets only (CXCR4, DRD2, etc.), 1K paste, 10K upload, all models, 1% built-in dataset (10K predictions)
Freemium: Any target, 100 paste, 10K upload, 2 models max, 10% built-in dataset (250K predictions)
Premium: Any target, 500 paste, 50K upload, all models, 20% built-in dataset (500K predictions)